:root {
  --navy: #0b1f33;
  --navy-deep: #071522;
  --navy-soft: #17344e;
  --red: #c83a3a;
  --red-dark: #a82d2d;
  --paper: #f6f8fa;
  --white: #ffffff;
  --ink: #10283c;
  --muted: #5d6b78;
  --line: #d9e0e6;
  --soft-blue: #eaf0f4;
  --font-sans: "Aptos", "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Iowan Old Style", "Baskerville", Georgia, serif;
  --shell: min(1160px, calc(100% - 48px));
  --shadow: 0 24px 70px rgba(7, 21, 34, 0.15);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; }
p, h1, h2, h3 { margin-top: 0; }

.shell { width: var(--shell); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 200; padding: 10px 16px; color: var(--white); background: var(--red); transform: translateY(-150%); transition: transform .2s ease; }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  color: var(--navy);
  background: rgba(255,255,255,.98);
  border-bottom: 1px solid rgba(11,31,51,.1);
  transition: background .25s ease, box-shadow .25s ease;
}

.site-header.is-scrolled { background: rgba(255,255,255,.96); box-shadow: 0 12px 32px rgba(7,21,34,.12); backdrop-filter: blur(12px); }
.header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; width: 172px; flex: 0 0 auto; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a { color: rgba(11,31,51,.7); text-decoration: none; font-size: .9rem; font-weight: 600; letter-spacing: .01em; transition: color .2s ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--navy); }
.site-nav .nav-cta { padding: 10px 15px; color: var(--red); border: 1px solid rgba(200,58,58,.45); }
.site-nav .nav-cta:hover { color: var(--white); border-color: var(--red); background: var(--red); }
.menu-toggle { display: none; }

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--navy-deep);
  padding: 164px 0 0;
}

.hero::before { content: ""; position: absolute; inset: 0 0 auto auto; width: 42vw; height: 100%; background: linear-gradient(135deg, transparent 5%, rgba(23,52,78,.72) 100%); clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%); }
.hero::after { content: ""; position: absolute; top: 84px; left: calc(50% + 110px); width: 2px; height: 130px; background: var(--red); transform: rotate(24deg); transform-origin: bottom; box-shadow: 0 0 50px rgba(200,58,58,.45); }
.hero-grid { position: absolute; inset: 0; opacity: .14; background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px); background-size: 70px 70px; mask-image: linear-gradient(to right, transparent 5%, black 75%); }
.hero-layout { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(320px, .75fr); align-items: end; gap: 96px; padding-bottom: 86px; }
.hero-copy { max-width: 760px; }
.eyebrow, .section-label { margin-bottom: 26px; color: var(--red); font-size: .78rem; font-weight: 750; letter-spacing: .16em; line-height: 1.2; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; color: rgba(255,255,255,.72); }
.eyebrow span { width: 38px; height: 2px; margin-right: 13px; background: var(--red); }
.hero h1 { max-width: 780px; margin-bottom: 28px; font-size: clamp(3.2rem, 6.4vw, 5.85rem); line-height: .98; letter-spacing: -.055em; font-weight: 720; }
.hero h1 em { display: block; color: #aebdca; font-family: var(--font-serif); font-size: .82em; font-weight: 400; letter-spacing: -.045em; }
.hero-lead { max-width: 680px; margin-bottom: 38px; color: rgba(255,255,255,.72); font-size: 1.18rem; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 52px; padding: 13px 20px; border: 1px solid transparent; text-decoration: none; font-size: .92rem; font-weight: 700; line-height: 1.2; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--red); }
.button-primary:hover { background: var(--red-dark); }
.text-link { color: rgba(255,255,255,.8); font-size: .93rem; font-weight: 600; text-underline-offset: 5px; text-decoration-color: rgba(255,255,255,.35); }

.risk-panel { position: relative; padding: 34px 34px 30px; border-top: 3px solid var(--red); background: rgba(255,255,255,.075); box-shadow: var(--shadow); backdrop-filter: blur(8px); }
.panel-number { position: absolute; top: 26px; right: 28px; color: rgba(255,255,255,.18); font-family: var(--font-serif); font-size: 2.4rem; }
.panel-kicker { margin-bottom: 25px; color: rgba(255,255,255,.56); font-size: .75rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.risk-panel ul { margin: 0 0 28px; padding: 0; list-style: none; }
.risk-panel li { padding: 13px 0; color: rgba(255,255,255,.67); border-bottom: 1px solid rgba(255,255,255,.12); font-size: .95rem; }
.risk-panel li span { color: var(--white); font-weight: 700; }
.panel-note { margin-bottom: 0; color: rgba(255,255,255,.74); font-family: var(--font-serif); font-size: 1.02rem; line-height: 1.5; }
.credibility-row { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); padding: 25px 0; border-top: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.48); font-size: .78rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
.credibility-row span:not(:first-child) { padding-left: 26px; border-left: 1px solid rgba(255,255,255,.12); }

.section { padding: 118px 0; }
.split-intro { display: grid; grid-template-columns: 1.05fr .85fr; gap: 100px; align-items: start; }
.section h2 { margin-bottom: 0; color: var(--navy); font-size: clamp(2.2rem, 4vw, 4rem); line-height: 1.06; letter-spacing: -.045em; }
.section h2 em { color: var(--red); font-family: var(--font-serif); font-weight: 400; }
.intro-copy { padding-top: 48px; }
.intro-copy p { color: var(--muted); font-size: 1.14rem; }
.intro-copy p:last-child { margin-bottom: 0; }
.signal-strip { display: grid; grid-template-columns: 180px 1fr; margin-top: 72px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.signal-title { padding: 28px 20px 28px 0; color: var(--navy); font-size: .8rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.signal-list { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 0; padding: 24px 0 24px 32px; border-left: 1px solid var(--line); }
.signal-list span { color: var(--muted); font-size: .92rem; }
.signal-list span:not(:last-child)::after { content: ""; display: inline-block; width: 4px; height: 4px; margin: 0 18px 3px; border-radius: 50%; background: var(--red); }

.methodology-block { margin-top: 88px; }
.methodology-heading { display: grid; grid-template-columns: .58fr 1.12fr .8fr; gap: 38px; align-items: end; margin-bottom: 38px; }
.methodology-heading .section-label { align-self: start; margin-bottom: 0; }
.methodology-heading h3 { margin-bottom: 0; color: var(--navy); font-size: clamp(1.8rem, 3vw, 2.85rem); line-height: 1.08; letter-spacing: -.04em; }
.methodology-heading > p:last-child { margin: 0; color: var(--muted); }
.methodology-pair { display: grid; grid-template-columns: 1fr 1fr; }
.method-card { min-height: 330px; padding: 34px 38px 36px; color: var(--ink); background: var(--white); border: 1px solid var(--line); }
.method-card + .method-card { border-left: 0; }
.method-card-dark { color: var(--white); background: var(--navy); border-color: var(--navy); box-shadow: var(--shadow); }
.method-card-topline { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 68px; }
.method-number { color: var(--red); font-size: .75rem; font-weight: 800; letter-spacing: .14em; }
.method-state { color: var(--muted); font-size: .72rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.method-card-dark .method-state { color: rgba(255,255,255,.52); }
.method-card h4 { margin: 0 0 16px; color: var(--navy); font-size: 1.55rem; line-height: 1.15; letter-spacing: -.025em; }
.method-card-dark h4 { color: var(--white); }
.method-card p { color: var(--muted); font-size: .98rem; }
.method-card-dark p { color: rgba(255,255,255,.67); }
.method-card .method-purpose { margin: 24px 0 0; padding-top: 20px; color: var(--navy); border-top: 1px solid var(--line); font-family: var(--font-serif); font-size: 1.02rem; line-height: 1.5; }
.method-card-dark .method-purpose { color: rgba(255,255,255,.86); border-color: rgba(255,255,255,.16); }
.methodology-note { max-width: 850px; margin: 30px 0 0 auto; padding-left: 28px; color: var(--navy); border-left: 3px solid var(--red); font-family: var(--font-serif); font-size: 1.14rem; line-height: 1.55; }

.outcomes { background: var(--white); }
.section-heading { display: grid; grid-template-columns: .55fr 1.25fr .8fr; gap: 38px; align-items: end; margin-bottom: 58px; }
.section-heading .section-label { align-self: start; }
.section-heading h2 { font-size: clamp(2.35rem, 3.8vw, 3.8rem); }
.section-heading > p:last-child { margin: 0; color: var(--muted); }
.outcome-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.outcome-card { position: relative; min-height: 350px; padding: 34px 34px 38px; border-right: 1px solid var(--line); }
.outcome-card:first-child { border-left: 1px solid var(--line); }
.outcome-card.featured { color: var(--white); background: var(--navy); transform: translateY(-14px); border: 0; box-shadow: var(--shadow); }
.card-index { color: var(--red); font-size: .75rem; font-weight: 800; letter-spacing: .14em; }
.card-mark { width: 76px; height: 2px; margin: 78px 0 30px; background: var(--red); transform: rotate(-10deg); transform-origin: left; }
.outcome-card:nth-child(2) .card-mark { width: 105px; transform: rotate(-28deg); }
.outcome-card:nth-child(3) .card-mark { width: 68px; transform: rotate(12deg); }
.outcome-card h3 { margin-bottom: 15px; color: var(--navy); font-size: 1.45rem; letter-spacing: -.025em; }
.outcome-card.featured h3 { color: var(--white); }
.outcome-card p { margin-bottom: 0; color: var(--muted); font-size: .98rem; }
.outcome-card.featured p { color: rgba(255,255,255,.66); }

.approach { color: var(--white); background: var(--navy-deep); }
.approach-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 110px; }
.section-label.light { color: #e47b7b; }
.approach h2 { margin-bottom: 28px; color: var(--white); font-size: clamp(2.35rem, 4vw, 4.1rem); }
.approach-lead > p:not(.section-label) { margin-bottom: 32px; color: rgba(255,255,255,.66); font-size: 1.05rem; }
.button-light { color: var(--navy-deep); background: var(--white); }
.button-light:hover { background: #e8edf1; }
.engagement-steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.15); }
.engagement-steps li { display: grid; grid-template-columns: 58px 1fr; gap: 20px; padding: 28px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.engagement-steps > li > span { color: var(--red); font-size: .78rem; font-weight: 800; letter-spacing: .14em; }
.engagement-steps h3 { margin-bottom: 7px; color: var(--white); font-size: 1.22rem; }
.engagement-steps p { margin: 0; color: rgba(255,255,255,.6); font-size: .95rem; }

.fit { background: var(--soft-blue); }
.fit-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.fit-heading { position: sticky; top: 132px; align-self: start; }
.fit-heading h2 { font-size: clamp(2.3rem, 3.5vw, 3.5rem); }
.fit-grid { display: grid; grid-template-columns: 1fr 1fr; }
.fit-grid > div { min-height: 190px; padding: 30px; border-top: 1px solid #cbd5dc; border-left: 1px solid #cbd5dc; }
.fit-grid > div:nth-child(odd) { border-left: 0; padding-left: 0; }
.fit-grid h3 { margin-bottom: 12px; color: var(--navy); font-size: 1.18rem; }
.fit-grid p { margin: 0; color: var(--muted); font-size: .95rem; }

.aviation-origin { color: var(--white); background: var(--navy-deep); }
.aviation-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 110px; align-items: start; }
.aviation-intro .section-label { color: #e47b7b; }
.aviation-intro h2 { margin-bottom: 30px; color: var(--white); font-size: clamp(2.4rem, 3.8vw, 3.9rem); }
.aviation-intro > p:last-child { margin-bottom: 0; color: rgba(255,255,255,.63); font-size: 1.04rem; }
.aviation-case { border-top: 3px solid var(--red); }
.aviation-statement { margin: 0; padding: 34px 0 36px; color: rgba(255,255,255,.9); border-bottom: 1px solid rgba(255,255,255,.15); font-family: var(--font-serif); font-size: clamp(1.35rem, 2.25vw, 2rem); line-height: 1.35; }
.aviation-principles article { display: grid; grid-template-columns: 48px 1fr; gap: 22px; padding: 25px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.aviation-principles article > span { padding-top: 3px; color: var(--red); font-size: .75rem; font-weight: 800; letter-spacing: .14em; }
.aviation-principles h3 { margin-bottom: 7px; color: var(--white); font-size: 1.18rem; }
.aviation-principles p { margin: 0; color: rgba(255,255,255,.58); font-size: 1rem; }
.aviation-translation { margin: 30px 0 0; padding-left: 26px; color: rgba(255,255,255,.64); border-left: 2px solid var(--red); font-size: 1rem; }
.aviation-translation strong { display: block; margin-bottom: 4px; color: var(--white); }

.about { background: var(--white); }
.about-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 110px; align-items: center; }
.about-statement { min-height: 430px; display: flex; flex-direction: column; justify-content: flex-end; padding: 42px; color: var(--white); background: var(--navy); }
.red-rule { display: block; width: 3px; height: 120px; margin-bottom: 38px; background: var(--red); transform: rotate(20deg); transform-origin: bottom; }
.about-statement p { margin: 0; font-family: var(--font-serif); font-size: clamp(1.8rem, 3vw, 2.8rem); line-height: 1.13; }
.about-copy h2 { margin-bottom: 28px; font-size: clamp(2.25rem, 3.5vw, 3.6rem); }
.about-copy > p:not(.section-label) { color: var(--muted); font-size: 1.02rem; }
.founder-note { display: grid; grid-template-columns: 160px 1fr; gap: 22px; margin-top: 34px; padding-top: 26px; border-top: 1px solid var(--line); }
.founder-note strong { color: var(--navy); font-size: .9rem; }
.founder-note span { color: var(--muted); font-size: .9rem; }

.contact-section { padding: 0 0 86px; background: var(--white); }
.contact-panel { display: grid; grid-template-columns: 1.15fr .85fr; gap: 90px; padding: 72px; color: var(--white); background: var(--navy-deep); box-shadow: var(--shadow); }
.contact-panel h2 { margin-bottom: 0; font-size: clamp(2.35rem, 4vw, 4.2rem); line-height: 1.02; letter-spacing: -.05em; }
.contact-action { align-self: end; }
.contact-action p { color: rgba(255,255,255,.65); }
.contact-action .button { margin-top: 12px; }
.email-link { display: block; width: max-content; margin-top: 22px; color: rgba(255,255,255,.62); font-size: .9rem; text-underline-offset: 4px; }

.site-footer { color: var(--navy); background: var(--white); border-top: 1px solid var(--line); }
.footer-inner { min-height: 118px; display: grid; grid-template-columns: 170px 1fr auto; gap: 30px; align-items: center; }
.site-footer img { width: 150px; }
.site-footer p { margin: 0; color: var(--muted); font-size: .78rem; letter-spacing: .05em; text-transform: uppercase; }

:focus-visible { outline: 3px solid #f19898; outline-offset: 4px; }

@media (max-width: 980px) {
  :root { --shell: min(100% - 36px, 760px); }
  .menu-toggle { display: grid; width: 44px; height: 44px; padding: 12px 9px; border: 1px solid rgba(11,31,51,.3); background: transparent; align-content: center; gap: 7px; }
  .menu-toggle span:not(.sr-only) { display: block; width: 100%; height: 2px; background: var(--navy); transition: transform .2s ease; }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(1) { transform: translateY(4.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-of-type(2) { transform: translateY(-4.5px) rotate(-45deg); }
  .site-nav { position: absolute; top: 84px; left: 0; width: 100%; display: none; padding: 22px max(18px, calc((100% - 760px) / 2)); flex-direction: column; align-items: stretch; gap: 0; background: var(--white); border-top: 1px solid var(--line); box-shadow: 0 20px 30px rgba(7,21,34,.14); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 13px 0; }
  .site-nav .nav-cta { margin-top: 10px; padding: 12px 14px; text-align: center; }
  .hero-layout, .split-intro, .approach-layout, .fit-layout, .aviation-layout, .about-layout, .contact-panel { grid-template-columns: 1fr; gap: 56px; }
  .hero { padding-top: 144px; }
  .hero-layout { padding-bottom: 64px; }
  .risk-panel { max-width: 560px; }
  .credibility-row { grid-template-columns: 1fr 1fr; gap: 0; }
  .credibility-row span { padding: 12px 0 !important; border-left: 0 !important; }
  .section { padding: 88px 0; }
  .intro-copy { padding-top: 0; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .section-heading .section-label { margin-bottom: 6px; }
  .methodology-heading { grid-template-columns: 1fr; gap: 18px; }
  .methodology-heading .section-label { margin-bottom: 6px; }
  .outcome-grid { grid-template-columns: 1fr; border-bottom: 0; }
  .outcome-card, .outcome-card:first-child { min-height: 0; border: 1px solid var(--line); border-top: 0; }
  .outcome-card.featured { transform: none; }
  .card-mark { margin: 46px 0 26px; }
  .fit-heading { position: static; }
  .about-statement { min-height: 360px; }
  .contact-panel { padding: 54px; }
}

@media (max-width: 620px) {
  :root { --shell: calc(100% - 32px); }
  .header-inner { min-height: 72px; }
  .brand { width: 142px; }
  .site-nav { top: 72px; padding-inline: 16px; }
  .hero { padding-top: 122px; }
  .hero::after { left: auto; right: 42px; height: 80px; }
  .hero h1 { font-size: clamp(2.75rem, 14vw, 4.1rem); }
  .hero-lead { font-size: 1.05rem; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 20px; }
  .button { width: 100%; }
  .text-link { text-align: center; }
  .risk-panel { padding: 28px 24px 24px; }
  .credibility-row { grid-template-columns: 1fr; padding: 16px 0; }
  .credibility-row span { border-bottom: 1px solid rgba(255,255,255,.08); }
  .section { padding: 72px 0; }
  .section h2 { font-size: 2.35rem; }
  .methodology-block { margin-top: 64px; }
  .methodology-pair { grid-template-columns: 1fr; }
  .method-card { min-height: 0; padding: 28px 24px; }
  .method-card + .method-card { border-top: 0; border-left: 1px solid var(--navy); }
  .method-card-topline { margin-bottom: 44px; }
  .method-card h4 { font-size: 1.4rem; }
  .methodology-note { margin-top: 26px; padding-left: 20px; }
  .aviation-principles article { grid-template-columns: 38px 1fr; gap: 14px; }
  .aviation-translation { padding-left: 20px; }
  .signal-strip { grid-template-columns: 1fr; margin-top: 52px; }
  .signal-title { padding: 22px 0; }
  .signal-list { padding: 22px 0; border-top: 1px solid var(--line); border-left: 0; }
  .signal-list span { display: block; width: 100%; }
  .signal-list span:not(:last-child)::after { display: none; }
  .outcome-card { padding: 28px; }
  .fit-grid { grid-template-columns: 1fr; }
  .fit-grid > div, .fit-grid > div:nth-child(odd) { min-height: 0; padding: 24px 0; border-left: 0; }
  .about-statement { min-height: 320px; padding: 30px; }
  .red-rule { height: 90px; }
  .founder-note { grid-template-columns: 1fr; gap: 8px; }
  .contact-section { padding-bottom: 0; }
  .contact-panel { width: 100%; padding: 54px 24px; }
  .footer-inner { grid-template-columns: 1fr; gap: 12px; padding: 34px 0; }
  .copyright { margin-top: 12px !important; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}